Seller: *sun-light* (16,534) 100% , Location: Swindon, Ships to: Worldwide, Item: 351735868661 Domed clock dial glass, diameter 122-5mm, dome approx. 20mm. 45° inward edge. New old stock. So the inside diameter starts at 122mm, moves through a 45 degree angle outwards to a slightly larger diameter of 125mm. The edge is a bottle green colour.